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Disposable email statistics for September 2026: 217,847 tracked throwaway domains, the first measured decay data, a steady 185 new domains a day, and how the popular free blocklists held up. Every figure from our live database.
Product updates14 minute read
Block disposable emails in Node.js and Express two ways: the official disposable email checker npm package or a raw fetch against the API. A copy-pasteable Express email validation middleware that gates signup, fails open, and never blocks relay addresses.
Guides16 minute read
Free disposable email domains lists versus a live detection API: an experienced deliverability practitioner compares freshness, coverage, MX validation, and relay handling with measured September 2026 data, plus the real cost of maintaining your own list.
Guides22 minute read
A null MX record (RFC 7505) is how a domain declares it accepts no email. Here is the exact MX 0 . syntax, the SMTP codes it triggers, and why a domain with no MX record is not the same as an invalid address.
Guides19 minute read
Disposable email statistics for August 2026: 211,812 tracked throwaway domains, how many are still live, how fast new ones appear, and why the most popular free blocklists miss most of them. Every figure from our live database.
Product updates13 minute read
Block disposable emails in Django two ways: with the official isitdisposable Python SDK or a direct API call. Forms, a reusable validator, Django REST Framework, django-allauth, fail-open handling, and relay support, in copy-pasteable Python.
Guides23 minute read
Block disposable emails in Next.js in two ways: with the official isitdisposable JavaScript SDK or a hand-rolled fetch. Server Actions, Route Handlers, a fail-open wrapper, client feedback, relay handling, and the Pages Router, in copy-pasteable TypeScript.
Guides27 minute read
Block disposable signups from Python, TypeScript, or an AI agent: three official packages are live" description: "Official Python and TypeScript client libraries and a Model Context Protocol server are now live on PyPI and npm, each wrapping the detection API with safe fail-open defaults.
Product updates4 minute read
A practitioner's guide to disposable email detection: how it works, why disposable bounces don't hurt your Gmail reputation, and how to filter burner signups without blocking real customers.
Guides20 minute read